Molly Renee
Molly Christina
Molly Alexandra
Molly Michelle
Molly Suzanne
Molly Diana
For some reason, I like the sound of the two and three syllable middle names rather than one syllable names, with the exception of "Grace". Molly Grace has a nice sound to me.
I also don't care for the "L" middle names - a little hard to say.
Good luck!